e-one eeeee eener efere effer efore efren efron enero enfer ennor enone enore enorn enron eofen eofor eorne eorre ereen erere ernen erone eroor erore erron error feeor feere fefor fener fenne fenno fenoe fenor feoff feren ferno feron ferr- ferre ferro foner fonne foone foore fore- foren foreo forne forno forro freer freon frere frore frorn neere nefen nefer neffe nefre nenno neofe neore neree nereo neron nerre nnooo no-no noerr nofee nofor nonne nonno noone noren norne noron norro nroff o-fer oeno- oenoe offen offer offof offon offre ofone ofono oforn onene oneno oneof oneon oneor onere onero onne- onnen onoff onone onoon onore onorn oo-er ooooo oreo- orere orero orfeo orfoe orfor ornee ornon oroer orono reefe reene reere refen refer reffe reffo refne renee rener renfe renne renno reno- reone rere- reree ro-ro roero roffe rofor ronee ronen roneo ronne ronno rooer roofe roone roore rorer